The Mouse Adult Gross Anatomy Ontology and Mammalian Phenotype Ontology are downloaded weekly from the Mouse Genome Informatics databases at Jackson Laboratories (ftp://ftp.informatics.jax.org/pub/reports/index.html). For more information about these ontologies, see the MGI Publications Page at http://www.informatics.jax.org/mgihome/other/publications.shtml.
the large protuberance that projects upward from the cervical axis (C2), around which the cervical atlas normally rotates, is instead fused to elements of the atlas; the odontoid process may or may not remain attached to the axis
Synonyms:
exact_synonym:
C1 anterior arch and dens fusion; atlas and odontoid process fusion; fused atlas and odontoid process; fusion of AA and dens